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Aerva lanata facts for kids

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Aerva lanata
Aerva lanata Blanco2.354.png
Aerva lanata var. rotundifolia
Scientific classification
Genus:
Aerva
Species:
lanata
Synonyms
  • Achyranthes lanata L.
  • Achyranthes villosa Forssk.
  • Aerva arachnoidea Gand.
  • Aerva incana Suess.
  • Aerva mozambicensis Gand.
  • Aerva sansibarica Suess.
  • Illecebrum lanatum (L.) L.
Aerva lanata in Bhongir AP W I2 IMG 3064
in Bhuvanagiri, Andhra Pradesh

Aerva lanata, the mountain knotgrass, is a woody, prostrate or succulent, perennial herb in the family Amaranthaceae, native to Asia, Africa. It has been included as occurring in Australia by the US government, but it is not recognised as occurring in Australia by any Australian state herbarium. The plant sometimes flowers in the first year.

Aerva lanata is a common weed which grows wild everywhere in the plains of India. The root has a camphor-like aroma. The dried flowers which look like soft spikes, are sold under the commercial names Buikallan and Boor. It is one of the plants included in Dasapushpam, the ten sacred flowers of Kerala.

Description

Aerva lanata DSC 0026
Aerva lanata From Kerala.

Mountain knotgrass is an annual with a branching, somewhat woody root system. The stems are mostly straggling and sprawling and spread widely, sometimes as much as 6 feet (1.8 m) in length. The often stalkless leaves are alternate, oval and 0.5 to 1.5 in (13 to 38 mm) long. They grow from whitish papery stipules with two lobes and red bases. The tiny clusters of two or three flowers grow in the leaf axils. The flowers are about 0.1 in (2.5 mm) long, pink, green or dull white. The flowers are normally self-pollinated. Flowering time is from May to October.

Distribution and habitat

Aerva lanata 11
in thrissur, kerala

Aerva lanata is native to tropical Africa, South Africa, Madagascar, Saudi Arabia and tropical Asia. The species prefers damper sites than Aerva javanica and can be found in open forests on mountain slopes, on waste and disturbed ground, deserted cultivation and coastal scrub and at altitudes from sea level to 900 m (3,000 ft). It is a common weed in arable fields and bare patches of ground.

Uses

This plant is used for food for people and animals. The whole plant, especially the leaves, is edible. The leaves are put into soup or eaten as a spinach or as a vegetable. The plant provides grazing for stock, game and chickens. The plant is used as a traditional medicine for snakebites.

The plant is also used as a talisman against evil spirits, a good-luck talisman for hunters, and a talisman for the well-being of widows.

In the traditional medicine of India, the juice of crushed Aerva lanata root is used for jaundice therapy.

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